Mitral regurgitation.
D000790:Angiocardiography; D005260:Female; D006325:Heart Atria / Q000000981:diagnostic imaging; D006338:Heart Neoplasms; D006801:Humans; D008875:Middle Aged; D008944:Mitral Valve Insufficiency / Q000000981:diagnostic imaging*; D009232:Myxoma / Q000000981:diagnostic imaging; D013902:Radiography, Thoracic